AMINO RES MASS

Amino Acid Residue Masses

Amino Acid 3 Letter Code Single Letter Code   Residue Mass  
        Monoisotopic Average
GlycineGlyG 57.0214757.052
AlanineAlaA 71.0371271.079
Serine Ser S   87.03203 87.078
Proline Pro P   97.05277 97.117
Valine Val V   99.06842 99.133
Threonine Thr T   101.04768 101.105
Cysteine Cys C   103.00919 103.144
Isoleucine Ile I   113.08407 113.160
Leucine Leu L   113.08407 113.160
Asparagine Asn N   114.04293 114.104
Aspartic Acid Asp D   115.02695 115.089
Glutamine Gln Q   128.05858 128.131
Lysine Lys K   128.09497 128.174
Glutamic Acid Glu E   129.04260 129.116
Methionine Met M   131.04049 131.198
Histidine His H   137.05891 137.142
Phenylalanine Phe F   147.06842 147.177
Arginine Arg R   156.10112 156.188
Tyrosine Tyr Y   163.06333 163.170
Tryptophan Trp W   186.07932 186.213
           
Homoserine Lactone       83.03712 83.090
Homoserine       101.04768 101.105
Pyroglutamic acid       111.03203 111.100
Carboxyamidomethyl Cysteine       160.03065 160.197
Carboxymethylcysteine       161.01466 161.181
Pyridylethylcysteine       208.06703